MCP6283T-E/CH Equivalent & Substitute Parts

Part Overview

The MCP6283T-E/CH is a general-purpose operational amplifier manufactured by Microchip Technology, packaged in SOT-23-6 surface mount configuration. This single-circuit rail-to-rail amplifier operates across a 2.2V to 6V supply range with a gain bandwidth product of 5 MHz and slew rate of 2.5V/µs. The device is currently in active production status with 2810 units in stock inventory.

Substitute parts are identified when equivalent electrical performance and mechanical compatibility are required due to component availability, supply chain considerations, or design flexibility within specified parameter tolerances.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	1	—
Output Type	Rail-to-Rail	—
Package / Case	SOT-23-6	—
Mounting Type	Surface Mount	—
Voltage - Supply Span (Min)	2.2	V
Voltage - Supply Span (Max)	6	V
Operating Temperature	-40 to 125	°C
Gain Bandwidth Product	5	MHz
Slew Rate	2.5	V/µs
Current - Supply	450	µA
Current - Output / Channel	25	mA
RoHS Status	ROHS3 Compliant	—
Product Status	Active	—

Substitute Part Grouping Explanation

Substitution eligibility for the MCP6283T-E/CH is determined by the following critical parameters:

Mandatory Compatibility Criteria:

Package / Case: SOT-23-6 (surface mount, pin-compatible)
Amplifier Type: General Purpose
Number of Circuits: 1
Output Type: Rail-to-Rail
Voltage - Supply Span: Minimum 2.2V, Maximum 6V (or compatible subset)
Operating Temperature: -40°C to 125°C (or compatible subset)
Mounting Type: Surface Mount

Performance Parameters (allowable variation):

Gain Bandwidth Product: 5 MHz (baseline)
Slew Rate: 2.5V/µs (baseline)
Current - Supply: 450µA (baseline)
Current - Output / Channel: 25 mA (baseline)

Substitute parts must maintain identical package pinout and electrical interface characteristics. Variations in performance parameters are acceptable when the substitute part meets or exceeds the baseline specifications or operates within the application's functional requirements.

Parameter Comparison

Parameter	MCP6283T-E/CH	ISL28148FHZ-T7A	TLV2470IDBVR	TLV2470IDBVT	TLV2470CDBVR
Manufacturer	Microchip Technology	Renesas Electronics	Texas Instruments	Texas Instruments	Texas Instruments
Package / Case	SOT-23-6	SOT-23-6	SOT-23-6	SOT-23-6	SOT-23-6
Amplifier Type	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose
Number of Circuits	1	1	1	1	1
Output Type	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Voltage - Supply Span (Min)	2.2 V	2.4 V	2.7 V	2.7 V	2.7 V
Voltage - Supply Span (Max)	6 V	5.5 V	6 V	6 V	6 V
Operating Temperature	-40 to 125°C	-40 to 125°C	-40 to 125°C	-40 to 125°C	0 to 70°C
Gain Bandwidth Product	5 MHz	4.5 MHz	2.8 MHz	2.8 MHz	2.8 MHz
Slew Rate	2.5 V/µs	4 V/µs	1.5 V/µs	1.5 V/µs	1.5 V/µs
Current - Input Bias	1 pA	1 pA	2.5 pA	2.5 pA	2.5 pA
Voltage - Input Offset	3 mV	2.3 mV	250 µV	250 µV	250 µV
Current - Supply	450 µA	900 µA	600 µA	600 µA	600 µA
Current - Output / Channel	25 mA	75 mA	35 mA	35 mA	35 mA
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Obsolete	Active	Active	Active
Inventory Status	2810 Pcs	1133 Pcs	8851 Pcs	2860 Pcs	38300 Pcs

Engineering Selection Recommendations

Primary Substitute: TLV2470IDBVR (Texas Instruments)

The TLV2470IDBVR is the preferred substitute for the MCP6283T-E/CH. Both devices share identical SOT-23-6 packaging, single-circuit general-purpose rail-to-rail architecture, and extended operating temperature range (-40°C to 125°C). The TLV2470IDBVR maintains full supply voltage compatibility (2.7V to 6V) and ROHS3 compliance. While the TLV2470IDBVR exhibits lower slew rate (1.5V/µs versus 2.5V/µs) and reduced gain bandwidth product (2.8 MHz versus 5 MHz), these parameters remain suitable for general-purpose amplification applications. The TLV2470IDBVR is in active production with 8851 units in stock.

Secondary Substitute: TLV2470IDBVT (Texas Instruments)

The TLV2470IDBVT is functionally identical to the TLV2470IDBVR with equivalent electrical specifications and active product status. This variant is available with 2860 units in inventory and provides an alternative sourcing option.

Tertiary Substitute: TLV2470CDBVR (Texas Instruments)

The TLV2470CDBVR shares the same electrical specifications as the TLV2470IDBVR and TLV2470IDBVT variants. However, the operating temperature range is restricted to 0°C to 70°C, limiting applicability to designs not requiring extended low-temperature operation. This variant offers the highest inventory availability (38300 units) and is suitable for commercial-grade applications within the specified temperature window.

Not Recommended: ISL28148FHZ-T7A (Renesas Electronics)

The ISL28148FHZ-T7A is classified as obsolete product status. While it maintains SOT-23-6 packaging and general-purpose rail-to-rail architecture, the obsolete designation indicates discontinued manufacturing. The maximum supply voltage is limited to 5.5V (versus 6V for the primary part), and supply current consumption is doubled (900µA versus 450µA). This substitute is not recommended for new designs.

Frequently Asked Questions (FAQ)

Q: Can the TLV2470IDBVR directly replace the MCP6283T-E/CH without PCB modifications?

A: Yes. Both devices use identical SOT-23-6 packaging with pin-compatible pinouts. No PCB layout changes are required for mechanical or electrical interface compatibility.

Q: What is the impact of the lower slew rate in the TLV2470 series (1.5V/µs versus 2.5V/µs)?

A: Slew rate determines the maximum rate of output voltage change. The TLV2470 series exhibits slower output transitions. Applications requiring high-speed signal conditioning or fast transient response may be affected. Verify slew rate requirements against application specifications before substitution.

Q: Why is the TLV2470CDBVR not suitable for all applications?

A: The TLV2470CDBVR operating temperature range is 0°C to 70°C, compared to -40°C to 125°C for the MCP6283T-E/CH and other TLV2470 variants. Applications requiring operation below 0°C or above 70°C must use alternative substitutes.

Q: Is the ISL28148FHZ-T7A a viable long-term substitute?

A: No. The ISL28148FHZ-T7A is classified as obsolete, indicating end-of-life status and discontinued manufacturing. New designs should not incorporate obsolete components. Existing designs using this part should transition to active alternatives.

Q: What are the key differences in input offset voltage between these devices?

A: The MCP6283T-E/CH specifies 3 mV input offset voltage. The TLV2470 series offers superior input offset voltage performance at 250 µV. The ISL28148FHZ-T7A specifies 2.3 mV. Lower input offset voltage reduces DC errors in precision applications. The TLV2470 series is preferred for applications sensitive to input offset drift.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. The MCP6283T-E/CH and all listed substitute parts (TLV2470IDBVR, TLV2470IDBVT, TLV2470CDBVR, and ISL28148FHZ-T7A) are ROHS3 compliant and REACH unaffected.

Q: Which substitute offers the best inventory availability?

A: The TLV2470CDBVR offers the highest inventory level at 38300 units. However, inventory selection should be secondary to application requirements. The TLV2470IDBVR (8851 units) is recommended as the primary choice due to extended operating temperature compatibility.

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